SAW BLADE

• US 20120041443A1
• Filed: 08/15/2011
• Published: 02/16/2012
• Est. Priority Date: 08/13/2010
• Status: Active Grant

• Current Assignee: Smith & Nephew Incorporated (Smith & Nephew PLC)
• Original Assignee: Smith & Nephew Incorporated (Smith & Nephew PLC)
• Inventors: LANDON, Ryan Lloyd
• Granted Patent: US 8,734,450 B2
• Time in Patent Office: Days
• US Class Current: 606/82
• CPC Class Codes: A61B 17/142 with reciprocating saw blades, e.g. with cutting edges at the distal end of the saw blades
• CPC Class Codes: Y10T 83/9377 Mounting of tool about rod-type shaft
• CPC Class Codes: Y10T 83/9457 Joint or connection

Abstract

There is provided a surgical saw blade for use in orthopaedic surgery. The saw blade comprising: a mounting cavity having a first substantially triangular-shaped opening and a second substantially triangular-shaped opening in communication with, and inverted relative to, the first opening, the first and second opening collectively define two mounting slots that form an angle relative to one another. In some embodiments, the planar portion further comprises an offset planar shelf. The offset shelf may be oriented along the length of the planar portion to allow for longitudinal reciprocation or may be oriented across the width of the planar portion to allow for lateral reciprocation.

Claims

1. A surgical saw blade for use in orthopaedic surgery, the saw blade comprising:

a. a mounting cavity having a first substantially triangular-shaped opening and a second substantially triangular-shaped opening in communication with, and inverted relative to, the first opening, the first and second opening collectively define two mounting slots that form an angle relative to one another.

2. The surgical saw blade of claim 1, wherein the first opening and the second opening have rounded corners.

3. The surgical saw blade of claim 1, wherein the first opening includes side walls and a distally-located base wall having ears separated by a connecting wall.

4. The surgical saw blade of claim 3, wherein the connecting wall is straight, concave, or convex.

5. The surgical saw blade of claim 1, further comprising a mounting portion and a planar portion extending longitudinally from the mounting portion, and the mounting cavity is located on the mounting portion.

6. The surgical saw blade of claim 5, wherein the planar portion further comprises an offset planar shelf.

7. The surgical saw blade of claim 6, wherein the offset shelf is oriented along the length of the planar portion to allow for longitudinal reciprocation.

8. The surgical saw blade of claim 6, wherein the offset shelf is oriented across the width of the planar portion to allow for lateral reciprocation.

9. The surgical saw blade of claim 5, wherein the planar portion further comprises teeth.

10. The surgical saw blade of claim 9, wherein the teeth are arranged in a linear or arcuate fashion.

11. The surgical saw blade of claim 9, wherein the teeth are oriented along the length of the planar portion to allow for longitudinal reciprocation

12. The surgical saw blade of claim 9, wherein teeth are oriented across the width of the planar portion to allow for lateral reciprocation.

18. The surgical saw blade of claim 1, wherein second offset shelf portion further comprises a chamfer or rounded edge.

13. A surgical saw blade for use in orthopaedic surgery, the saw blade comprising:

a. a mounting portion with a mounting cavity;

b. a first planar portion extending longitudinally from the mounting portion; and

c. a second shelf portion offset from the first planar portion.

14. The surgical saw blade of claim 13, further comprising a transition portion between the first planar portion and the second shelf portion.

15. The surgical saw blade of claim 13, wherein the second offset shelf portion is oriented along the length of the first planar portion to allow for longitudinal reciprocation.

16. The surgical saw blade of claim 13, wherein second offset shelf portion is oriented across the width of the planar portion to allow for lateral reciprocation.

17. The surgical saw blade of claim 13, wherein second offset shelf portion further comprises an upstanding rib.

19. The surgical saw blade of claim 13, wherein second offset shelf portion is offset from the first planar portion by a discrete amount.

20. The surgical saw blade of claim 13, the first planar portion further comprises a reinforcement feature.

21. The surgical saw blade of claim 13, wherein the first planar portion further comprises teeth.

22. The surgical saw blade of claim 21, wherein the teeth are arranged in a linear or arcuate fashion.

23. The surgical saw blade of claim 21, wherein the teeth are oriented along the length of the first planar portion to allow for longitudinal reciprocation

24. The surgical saw blade of claim 21, wherein teeth are oriented across the width of the first planar portion to allow for lateral reciprocation.